• Sunny 63°
    Home Energy Efficiency Current Weather
    • Yesterday
      Temp
      63°
    • Wind
      Chill
      63°
    • Wind
      Speed
      4 mph
  • Today

    Jul 26

    Hi 85°

    Partly sunny

    Poor for home energy
    • Avg
      RealFeel
      74°
    • Hi
      RealFeel
      88°
    • Wind
      Speed
      7 mph
    Day Details >
  • Tomorrow

    Jul 27

    Hi 81°

    Partly sunny

    Poor for home energy
    • Avg
      RealFeel
      71°
    • Hi
      RealFeel
      84°
    • Wind
      Speed
      7 mph
    Day Details >
  • Monday

    Jul 28

    Hi 80°

    Partly sunny

    Poor for home energy
    • Avg
      RealFeel
      70°
    • Hi
      RealFeel
      84°
    • Wind
      Speed
      7 mph
    Day Details >
Next

A high temperature of 85 today

7/26 7/27 Now: 6:36am
AM 6-10
  • 6am Clear 63° 0%
  • 7am Sunny 64° 0%
  • 8am Partly sunny 67° 0%
  • 9am Mostly sunny 70° 0%
  • 10am Mostly sunny 73° 0%
PM 5-10
  • 5pm Mostly sunny 80° 0%
  • 6pm Mostly sunny 78° 0%
  • 7pm Mostly sunny 75° 0%
  • 8pm Partly sunny 72° 0%
  • 9pm Partly cloudy 69° 0%
  • 10pm Intermittent clouds 68° 0%
PM 11-4
  • 11pm Intermittent clouds 66° 0%
  • 12am Intermittent clouds 67° 0%
  • 1am Intermittent clouds 66° 0%
  • 2am Intermittent clouds 65° 0%
  • 3am Intermittent clouds 64° 0%
  • 4am Intermittent clouds 64° 0%
Hourly Forecast >

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Top Story

Castro Valley Weather Report

Dry Weather Continues for San Francisco

July 25, 2014; 7:50 PM ET

Much-needed rain for the drought-plagued Bay Area remains out of the forecast through the weekend and into next week. more >

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Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.

Sat. Home Energy Efficiency

Sat. Degree Days

Sat. UV Index